| Built: |
1976 - 1984 by Electroputere at Craiova (56001 - 56030), BREL Doncaster (56031 - 115) and BREL Crewe (56116 - 56135) |
| Wheel Arrangement: |
Co-Co |
| Engine: |
Ruston Paxman 16RK3CT of 2460 kW (3250 hp) at 900 rpm |
| Main Alternator: |
Brush BA1101A |
| Auxiliary Alternator: |
Brush BAA602A/BAE503 |
| Traction Motors: |
6 x Brush TM73-62 |
| Max Tractive Effort: |
275 kN (61800 lbf) |
| Cont Tractive Effort: |
240 kN (53950 lbf) |
| Power at Rail: |
1790 kW (2400 hp) |
| Fuel Tank Capacity: |
5228 Litres (1150 Gallons) |
| Lub Oil Capacity: |
545 Litres (120 Gallons) |
| Coolant Capacity: |
1400 Litres (308 Gallons) |
| Brake Type: |
Air Only |
| Brake Force: |
60 tonnes |
| Max Speed: |
80 mph |
| Weight: |
125 tonnes |
| Length: |
19.36m (63 ft 6 in) |
| Width: |
2.79m (9 ft 2 in) |
| Height: |
3.90m (12 ft 9 in) |
| Wheel Diameter: |
1143mm (3 ft 9 in) |
| Wheelbase: |
14.58m (47 ft 10 in) |
| Min Curve Radius: |
80m (3.98 chains) |
| Route Availibility: |
7 |
| Multiple Working: |
Red Diamond (Class 56 and 58 only) |
| Train Heating: |
None |
| Communication Equipment: |
NRN Telephone |
| Sanding Equipment: |
Pneumatic |
